body{
    margin: 0;
    padding: 0;
    background: #f3f3f3;
}
#bigBox{
    margin: 0 auto;
    margin-top: 150px;
    padding: 20px 50px;
    background-color: #000000;
    opacity: 0.7;
    width: 400px;
    height: 300px;
    border-radius: 10px;
    text-align: center;
}
#bigBox h1{
    color: white;
}
#bigBox .form-control{
    margin-top: 50px;
}
#bigBox .form-control .inputText{
    margin-top: 20px;
}
#bigBox .inputSubmit .form-control{
    border: 0;
    margin-top: 15px;
    width: 160px;
    height: 30px;
    color: #ffffff;
    border-radius: 20px;
    align:center;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.15) 0%, rgba(0, 0, 0 , 0.15) 100%),
    radial-gradient(at top center, rgba(255, 255, 255, 0.4) 0%, rgba(0, 0, 0, 0.4) 120%) #989898;
    background-blend-mode: multiply, multiply;
}
#sp{
    color: red;
    font-size: 18px;
}